clang is acting weird with disabled constructors

This commit is contained in:
dkavolis 2021-08-09 09:20:59 +01:00
parent ba29e1d75d
commit cb35191fc1
2 changed files with 22 additions and 7 deletions

View File

@ -116,6 +116,17 @@ using wstring_view_t = fmt::basic_string_view<wchar_t>;
using memory_buf_t = fmt::basic_memory_buffer<char, 250>;
using wmemory_buf_t = fmt::basic_memory_buffer<wchar_t, 250>;
template<class T>
using remove_cvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
// clang doesn't like SFINAE disabled constructor in std::is_convertible<> so have to repeat the condition from basic_format_string here,
// in addition, fmt::basic_runtime<Char> is only convertible to basic_format_string<Char> but not basic_string_view<Char>
template<class T, class Char = char>
struct is_convertible_to_basic_format_string
: std::integral_constant<bool,
std::is_convertible<T, fmt::basic_string_view<Char>>::value || std::is_same<remove_cvref_t<T>, fmt::basic_runtime<Char>>::value>
{};
#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT
# ifndef _WIN32
# error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows
@ -123,9 +134,9 @@ using wmemory_buf_t = fmt::basic_memory_buffer<wchar_t, 250>;
template<typename T>
struct is_convertible_to_wstring_view : std::is_convertible<T, wstring_view_t>
{};
template<class T>
struct is_convertible_to_wformat_string : std::is_convertible<T, fmt::wformat_string<>>
{};
using is_convertible_to_wformat_string = is_convertible_to_basic_format_string<T, wchar_t>;
# endif // _WIN32
#else
template<typename>
@ -137,8 +148,12 @@ struct is_convertible_to_wformat_string : std::false_type
#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT
template<class T>
struct is_convertible_to_basic_format_string
: std::integral_constant<bool, std::is_convertible<const T &, fmt::format_string<>>::value || is_convertible_to_wformat_string<T>::value>
struct is_convertible_to_any_string_view
: std::integral_constant<bool, std::is_convertible<T, string_view_t>::value || is_convertible_to_wstring_view<T>::value>
{};
template<class T>
struct is_convertible_to_any_format_string
: std::integral_constant<bool, is_convertible_to_basic_format_string<T, char>::value || is_convertible_to_wformat_string<T>::value>
{};
#if defined(SPDLOG_NO_ATOMIC_LEVELS)

View File

@ -103,9 +103,9 @@ public:
}
// T cannot be statically converted to neither string_view, nor wstring_view and nor format string
template<class T, typename std::enable_if<!std::is_convertible<const T &, spdlog::string_view_t>::value &&
!is_convertible_to_basic_format_string<const T &>::value,
int>::type = 0>
template<class T,
typename std::enable_if<
!is_convertible_to_any_string_view<const T &>::value && !is_convertible_to_any_format_string<const T &>::value, int>::type = 0>
void log(source_loc loc, level::level_enum lvl, const T &msg)
{
log(loc, lvl, "{}", msg);